﻿<!DOCTYPE html>

<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="utf-8" />
    <title>我的网页</title>
</head>
<body>
    <div>请输入数字</div>
    <button type="button" id="input">请输入</button>>
    <script src="../jquery-3.7.1.min.js"></script>
    <script>
        $("#input").text("点一点");
    </script>

</body>
</html>